Git Submodules are awful but occasionally necessary.
Intro
One of the beautiful things about powerful tools is that they enable you to do easy things easily but also more complicated things as well.
Git is the perfect example of this. It represents an incredible amount of innovation in mainstream widely adopted version control systems, but it has some of the worst UX of any software I’ve ever used, and that includes Nortel switch administration consoles where all input was in the form of numeric codes :)